http://www.shorpy.com/node/17518?size=_original#caption
June 1943. Arlington, Virginia. "A soldier treating his date to a coke in the service shop at Idaho Hall, Arlington Farms, a residence for women who work in the U.S. government for the duration of the war." The Zimba Kola people (as well as the Coca-Cola Co., whose logo is barely visible above the machine) would probably be pained to see their products referred to as lowercase-generic "coke."